Journal ArticleDOI
Comparative material study on RF and DC magnetron sputtered ZnO:Al films
TLDR
In this paper, ZnO:Al 2 O 3 targets were prepared on glass substrates by RF and DC sputtering from ceramic targets, showing a weak dependence on film thickness and substrate temperature while a strong dependence on sputter pressure.About:
This article is published in Thin Solid Films.The article was published on 2006-04-28. It has received 119 citations till now. The article focuses on the topics: Sputtering & Thin film.read more
Citations
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Journal ArticleDOI
Transparent conductors as solar energy materials: A panoramic review
TL;DR: Transparent conductors (TCs) have a multitude of applications for solar energy utilization and for energy savings, especially in buildings as discussed by the authors, which leads naturally to considerations of spectral selectivity, angular selectivity, and temporal variability of TCs, as covered in three subsequent sections.
Journal ArticleDOI
The effect of front ZnO:Al surface texture and optical transparency on efficient light trapping in silicon thin-film solar cells
TL;DR: In this article, the influence of the amount of alumina in the target as well as the substrate temperature during sputter deposition has been investigated, leading to different conductivity and free carrier absorption in the near infrared.
Journal ArticleDOI
Buffer layers and transparent conducting oxides for chalcopyrite Cu(In,Ga)(S,Se)(2) based thin film photovoltaics : Present status and current developments
Negar Naghavi,Daniel Abou-Ras,N. Allsop,Nicolas Barreau,S. Bucheler,Ahmed Ennaoui,Ch.-H. Fischer,C. Guillén,Dimitrios Hariskos,J. Herrero,Reiner Klenk,Katsumi Kushiya,Daniel Lincot,Richard Menner,Tokio Nakada,Charlotte Platzer-Björkman,S. Spiering,Ayodhya N. Tiwari,Tobias Törndahl +18 more
TL;DR: In this paper, a review on the recent work concerning Cd-free buffer and window layers in chalcopyrite solar cells using various deposition techniques as well as their adaptation to chal copyrite-type absorbers such as Cu(In,Ga)Se-2, CuInS2, or Cu(in,Ga)(S,Se)(2).
Journal ArticleDOI
Comparative studies of Al-doped ZnO and Ga-doped ZnO transparent conducting oxide thin films
TL;DR: The structural and microstructural properties as a function of Al and Ga concentrations through X-ray diffraction and scanning electron microscopy analysis and the optical bandgap and photoluminescence were estimated.
Journal ArticleDOI
Carrier transport in polycrystalline ITO and ZnO:Al II: The influence of grain barriers and boundaries
Klaus Ellmer,R. Mientus +1 more
TL;DR: In this article, temperature-dependent conductivity and Hall measurements were used to determine the carrier concentrations N D and the Hall mobilities μ, which were fitted by a carrier transport model taking into account ionized impurity and grain barrier scattering, the trap densities at the grain boundaries were estimated.
References
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Journal ArticleDOI
Electronic properties of Cu(In,Ga)Se2 heterojunction solar cells–recent achievements, current understanding, and future challenges
Uwe Rau,H.W. Schock +1 more
TL;DR: In this article, the authors reviewed the recent achievements of high-efficiency Cu(In,Ga)Se2 heterojunction solar cells with a special focus on the understanding of the electronic transport properties of the devices.
Journal ArticleDOI
Optical properties of sputter-deposited ZnO:Al thin films
TL;DR: In this article, an effective mass model for n-doped semiconductors is proposed for n−doped polysilicon, where the Al atoms act as pointlike Coulomb scatterers and are screened by the electrons acco...
Journal ArticleDOI
Modified Thornton model for magnetron sputtered zinc oxide: film structure and etching behaviour
TL;DR: In this article, ZnO:Al films were prepared on glass substrates with different sputter techniques from ceramic and metallic targets using a wide range of deposition parameters and the correlation of sputter parameters, film growth and structural properties was discussed in terms of a modified Thornton model.
Journal ArticleDOI
Potential of amorphous silicon for solar cells
Bernd Rech,Heribert Wagner +1 more
TL;DR: In this article, a review of recent developments in the field of amorphous-silicon-based thin-film solar cells and potential improvements are discussed, and necessary efforts are discussed to close the efficiency gap between the highest stabilized efficiencies demonstrated on lab scale and efficiencies achieved in production.
Journal ArticleDOI
Efforts to improve carrier mobility in radio frequency sputtered aluminum doped zinc oxide films
TL;DR: In this paper, the electrical and optical properties of radio frequency magnetron sputtered aluminum doped zinc oxide (ZnO:Al) films were studied using x-ray diffraction, secondary ion mass spectrometry (SIMS), room temperature Hall effect measurements and spectral photometry, respectively.
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